<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    {{template "head"}}
    go index html
    <p>test p</p>
    <h1>h1</h1>
    {{template "foot"}}
    {{block arg}}
        如果找不到模板我就要显示了
    {{end}}

</body>
</html>